/* ==========================================================================
   КОНФИГУРАТОР СМЕТЫ: LIVE ARCHITECTURAL ESTIMATOR (CONFIGURATOR.CSS)
   ========================================================================== */

.configurator-section {
    padding: 60px 0 100px 0;
    position: relative;
    z-index: 10;
}

.configurator-layout {
    display: grid;
    grid-template-columns: 1.35fr 0.65fr;
    gap: 36px;
    align-items: start;
}

/* ЛЕВАЯ КОЛОНКА: БЛОКИ КОНФИГУРАТОРА */
.config-blocks {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.config-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-fast);
}

.config-card:hover {
    border-color: rgba(217, 119, 6, 0.4);
    box-shadow: var(--shadow-card);
}

.config-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.config-step-badge {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-gold-light);
    color: var(--accent-gold);
    font-weight: 800;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(217, 119, 6, 0.25);
    flex-shrink: 0;
}

.config-card-title {
    font-size: 20px;
    color: var(--text-primary);
    margin: 0;
}

.config-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 1. ВЫБОР КОМНАТ (ЧИПСЫ МУЛЬТИ-СЕЛЕКТ) */
.rooms-chip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.room-chip {
    background: var(--bg-card);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-fast);
    user-select: none;
}

.room-chip:hover {
    border-color: var(--accent-gold);
    background: var(--bg-card-hover);
}

.room-chip.selected {
    border-color: var(--accent-gold);
    background: var(--accent-gold-light);
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.15);
}

.room-chip-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.room-chip-check {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    border: 1.5px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: #ffffff;
    transition: var(--transition-fast);
}

.room-chip.selected .room-chip-check {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
}

/* СЛАЙДЕР ПЛОЩАДИ */
.area-slider-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.area-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 16px;
}

.area-val-large {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 800;
    color: var(--accent-gold);
}

.custom-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 10px;
    border-radius: var(--radius-pill);
    background: rgba(128, 128, 128, 0.2);
    outline: none;
    cursor: pointer;
    margin-bottom: 18px;
}

.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--accent-gold);
    cursor: pointer;
    box-shadow: 0 0 15px var(--accent-gold-glow);
    border: 3px solid var(--bg-secondary);
}

.area-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.area-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.area-btn:hover,
.area-btn.active {
    background: var(--accent-gold);
    color: #ffffff;
    border-color: var(--accent-gold);
}

/* 2. ПАКЕТЫ РЕМОНТА */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.package-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 22px 18px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
}

.package-card:hover {
    transform: translateY(-3px);
    border-color: rgba(217, 119, 6, 0.5);
    box-shadow: var(--shadow-card);
}

.package-card.selected {
    border-color: var(--accent-gold);
    background: var(--bg-card-hover);
    box-shadow: 0 8px 25px rgba(217, 119, 6, 0.2);
    transform: translateY(-3px);
}

.package-badge-popular {
    position: absolute;
    top: -11px;
    right: 14px;
    background: var(--accent-gold);
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.package-title {
    font-size: 17px;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.package-rate {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--accent-gold);
    margin-bottom: 12px;
}

.package-rate span {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.package-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.package-features li::before {
    content: '✓ ';
    color: var(--accent-gold);
    font-weight: 700;
}

/* 3. ИНЖЕНЕРНЫЕ ОПЦИИ (ADD-ONS ЧЕКБОКСЫ) */
.addons-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.addon-row {
    background: var(--bg-card);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-fast);
}

.addon-row:hover {
    border-color: var(--accent-gold);
    background: var(--bg-card-hover);
}

.addon-row.selected {
    border-color: var(--accent-gold);
    background: var(--accent-gold-light);
}

.addon-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.addon-icon-svg {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--accent-gold-light);
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.addon-title h4 {
    font-size: 15px;
    margin: 0;
    color: var(--text-primary);
}

.addon-title span {
    font-size: 12px;
    color: var(--text-secondary);
}

.addon-price-tag {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    gap: 10px;
}

.addon-checkbox {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 12px;
    transition: var(--transition-fast);
}

.addon-row.selected .addon-checkbox {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
}

/* 4. ПОДАРКИ */
.gifts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.gift-box {
    background: var(--bg-card);
    border: 2px dashed rgba(217, 119, 6, 0.35);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition-fast);
}

.gift-box:hover {
    border-color: var(--accent-gold);
    background: var(--bg-card-hover);
}

.gift-box.selected {
    border-style: solid;
    border-color: var(--accent-gold);
    background: var(--accent-gold-light);
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.15);
}

.gift-icon-svg {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--accent-gold-light);
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.gift-box-text h4 {
    font-size: 14px;
    margin: 0;
    color: var(--text-primary);
}

.gift-box-text p {
    font-size: 12px;
    color: var(--accent-gold);
    font-weight: 700;
    margin: 0;
}

/* ==========================================================================
   ПРАВАЯ КОЛОНКА: ЖИВОЙ ЧЕК СМЕТЫ (STICKY INVOICE CARD)
   ========================================================================== */
.sticky-invoice-card {
    position: sticky;
    top: 85px;
    background: var(--invoice-bg);
    color: #ffffff;
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.invoice-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    margin-bottom: 20px;
}

.invoice-badge {
    background: rgba(217, 119, 6, 0.2);
    border: 1px solid rgba(217, 119, 6, 0.4);
    color: #f59e0b;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
}

.invoice-breakdown {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    margin-bottom: 24px;
}

.invoice-breakdown li {
    display: flex;
    justify-content: space-between;
    color: #94a3b8;
}

.invoice-breakdown li strong {
    color: #ffffff;
}

.invoice-discount-row {
    color: #34d399 !important;
}

.invoice-discount-row strong {
    color: #34d399 !important;
}

.invoice-total-box {
    background: var(--invoice-card-bg);
    border: 1.5px solid var(--accent-gold);
    border-radius: var(--radius-md);
    padding: 18px;
    text-align: center;
    margin-bottom: 24px;
}

.invoice-total-label {
    font-size: 12px;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.invoice-total-sum {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: #f59e0b;
    line-height: 1.1;
    margin-top: 4px;
}

.invoice-guarantees {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 12px;
    color: #94a3b8;
    margin-top: 18px;
}

.invoice-guarantees div {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   КНОПКИ ВЫБОРА МЕССЕНДЖЕРОВ (С ВЕКТОРНЫМИ SVG ИКОНКАМИ)
   ========================================================================== */
.messenger-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 18px;
}

.messenger-btn {
    background: var(--bg-card);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 10px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-subtle);
}

.messenger-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.messenger-btn:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

.messenger-btn.active {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border-color: var(--accent-gold);
    color: #ffffff;
    box-shadow: 0 6px 20px var(--accent-gold-glow);
}

.messenger-btn.active svg path,
.messenger-btn.active svg circle,
.messenger-btn.active svg rect {
    fill: #ffffff !important;
}

@media (max-width: 1024px) {
    .configurator-layout { grid-template-columns: 1fr; }
    .sticky-invoice-card { position: relative; top: 0; }
}

@media (max-width: 768px) {
    .rooms-chip-grid, .packages-grid, .gifts-grid, .messenger-selector { grid-template-columns: 1fr; }
    .config-card { padding: 20px; }
}